Blood Glucose Control (Cambridge (CIE) O Level Biology): Exam Questions

19 mins5 questions
1
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1 mark

Which row of the following table correctly describes what happens in the body after a person consumes a can of sugary drink?

 

role of the pancreas

role of the liver

effect

A

releases glucagon

converts glycogen into glucose

blood sugar levels rise

B

releases insulin

converts excess glucose into glycogen

blood sugar level falls

C

releases glucagon

converts excess glucose into glycogen

blood sugar level falls

D

releases insulin

converts glycogen into glucose

blood sugar levels rise

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    2
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    1 mark

    Which row of the table correctly outlines the cause of, and treatment for, type 1 diabetes?

     

    cause

    treatment

    A

    inability of the pancreas to produce insulin

    insulin injection

    B

    inability of the pancreas to produce insulin

    controlling diet and regular exercise

    C

    inability of the liver to produce glucagon

    glucagon injection

    D

    inability of the liver to produce insulin

    insulin injection

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      31 mark

      Which row shows the effects of the hormones glucagon and insulin? 

       

      effect of glucagon

      effect of insulin

      A

      Glucose is converted into glycogen in the liver

      Glycogen in the liver is converted into glucose.

      B

      Glycogen in the liver is converted into glucose.

      Glucose is converted into glycogen in the liver.

      C

      Glycogen in the liver is converted into glucose.

      Glucose is converted into glycogen in the pancreas.

      D

      Glycogen in the pancreas is converted into glucose.

      Glucose is converted into glycogen in the pancreas.

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        1
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        1 mark

        Which of the following statements about glucagon are false?

        1. Glucagon reverses the effect of the hormone glycogen

        2. Glucagon is produced in the pancreas

        3. Glucagon is secreted when blood glucose levels fall

        4. Glucagon stimulates liver and muscle cells to convert glucose into stored glycogen

        5. Glucagon is a polysaccharide

        6. Glucagon is usually secreted soon after ingestion of carbohydrate-rich food

        • 1, 2, 5 and 6

        • 1, 3, 4 and 6

        • 1, 4, 5 and 6

        • 5 and 6 only

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